LFCS Training & Certification Get Latest Linux Foundation Certified Updated on Dec 29, 2021
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Introduction to LFCS Exam
The Linux Foundation Certified System Administrator (LFCS) certification from The Linux Foundation is a comprehensive Linux certification to verify and validate the skills of your Linux operating system. Linux is the number 1 operating system for web servers, cloud computing, smartphones, and consumer electronics. It has grown very rapidly over the years and even Microsoft has fully adopted Linux to run Microsoft Azure cloud workloads.
The IT industry is looking for more and more IT professionals with the ability to manage and administer the Linux operating system. This certification will help you validate these skills to advance your career.
NEW QUESTION 110
Which of the following commands will write a message to the terminals of all logged in users?
- A. yell
- B. mesg
- C. bcast
- D. wall
- E. print
Answer: D
NEW QUESTION 111
CORRECT TEXT
Which Debian package management tool asks the configuration questions for a specific already installed package just as if the package were being installed for the first time? (Specify ONLY the command without any path or parameters.)
Answer:
Explanation:
dpkg -reconfigure
NEW QUESTION 112
What is the maximum niceness value that a regular user can assign to a process with the nice command when executinga new process?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 113
Which of the following commands will help identify a broken router between the local and the remote machine?
- A. ifconfig
- B. nslookup
- C. traceroute
- D. ps
- E. netstat
Answer: D
Explanation:
Explanation/Reference:
NEW QUESTION 114
Which of the following commands lists all defined variables and functions within Bash?
- A. set
- B. echo $ENV
- C. env -a
- D. env
Answer: A
NEW QUESTION 115
Which of the following commands set the sticky bit for the directory /tmp? (Choose TWO correct answers.)
- A. chmod +s /tmp
- B. chmod 2775 /tmp
- C. chmod 1775 /tmp
- D. chmod +t /tmp
- E. chmod 4775 /tmp
Answer: C,D
Explanation:
Explanation/Reference:
NEW QUESTION 116
What is the output of the following command?
echo "Hello World" | tr -d aieou
- A. eoo Hll Wrld
- B. Hll Wrld
- C. Hello World
- D. eoo
Answer: B
NEW QUESTION 117
What is the purpose of a screen reader?
- A. It reads the parameters of the attached monitors and creates an appropriate X11 configuration.
- B. It displays lines and markers to help people use speed reading techniques.
- C. It reads text displayed on the screen to blind or visually impaired people.
- D. It manages and displays files that contain e-books.
Answer: C
NEW QUESTION 118
A user accidentally created the subdirectory \dir in his home directory. Which of the following commands will remove that directory?
- A. rmdir '~/\dir'
- B. rmdir ~/'dir'
- C. rmdir "~/\dir"
- D. rmdir ~/\\dir
- E. rmdir ~/\dir
Answer: D
NEW QUESTION 119
What information can the lspci command display about the system hardware? (Choose THREE correct answers.)
- A. Device IRQ settings
- B. Ethernet MAC address
- C. PCI bus speed
- D. Device vendor identification
- E. System battery type
Answer: A,C,D
Explanation:
Explanation
NEW QUESTION 120
After moving data to a new filesystem, how can the former path of the data be kept intact in order to avoid reconfiguration of existing applications? (Choose TWO correct answers.)
- A. By creating a hard link from the old to the new path of the data.
- B. By creating a symbolic link from the old to the new path of the data.
- C. By running the command touch on the old path.
- D. By creating an ACL redirection from the old to the new path of the data.
- E. By mounting the new filesystem on the original path of the data.
Answer: B,E
NEW QUESTION 121
Which of the following files, located in the user home directory, is used to store the Bash history?
- A. .bashrc_history
- B. .history_bash
- C. .bash_histfile
- D. .history
- E. .bash_history
Answer: E
Explanation:
Explanation
NEW QUESTION 122
Which of the following commands can remove a user from a group?
- A. grouprm
- B. groupmod
- C. usermod
- D. usergroups
- E. passwd
Answer: C
NEW QUESTION 123
What is the purpose of the command mailq?
- A. It is a command-line based tool for reading and writing emails.
- B. It is a multi-user mailing list manager.
- C. It fetches new emails from a remote server using POP3 or IMAP.
- D. It is a proprietary tool contained only in the qmail MTA.
- E. It queries the mail queue of the local MTA.
Answer: E
Explanation:
Explanation/Reference:
NEW QUESTION 124
Which of the following fields are available in both the global /etc/crontab file as well as in user-specific crontab files? (Select TWO correct answers)
- A. Minute
- B. Username
- C. Year
- D. Command
Answer: A,D
NEW QUESTION 125
How is a display manager started?
- A. It is started automatically when a X11 user logs in to the system console.
- B. It is started by a user using the command startx.
- C. It is started by inetd when a remote hosts connects to the X11 port.
- D. It is started like any other system service by the init system.
Answer: D
NEW QUESTION 126
When the command echo $ outputs 1, which of the following statements is true?
- A. It is the exit value of the echo command.
- B. It is the process ID of the echo command.
- C. It is the process ID of the current shell.
- D. It is the exit value of the command executed immediately before echo.
Answer: D
NEW QUESTION 127
How many fields are in a syntactically correct line of /etc/fstab?
- A. 0
- B. 1
- C. 2
- D. 3
- E. 4
Answer: D
NEW QUESTION 128
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Linux Foundation Certified LFCS Real Exam Questions and Answers FREE Updated: https://drive.google.com/open?id=1qcn5q2XHvI2NPZkJLmwqimpuMorYgYRA